A 62-year-old woman with long-standing rheumatoid arthritis on methotrexate presents with cough, fever, and pleuritic chest pain. CRP is elevated. CXR shows right lower lobe consolidation. Which antibiotic is appropriate initially in the community?AAmoxicillin 500 mg three times dailyBDoxycycline 200 mg stat then 100 mg dailyCCo-amoxiclav 625 mg three times dailyDClarithromycin 500 mg twice daily plus amoxicillinELevofloxacin 500 mg once dailyCheck my answer